Apply requested changes

Author: ljmnoonan

.github/workflows/ci.yaml

@@ -25,7 +25,7 @@ jobs:
       - uses: pre-commit/action@v1.0.1
 
   build-test-push:
-    if: github.ref == 'refs/heads/master' || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository)
+    if: github.ref == format('refs/heads/{0}', github.event.repository.default_branch) || (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == github.repository)
     runs-on: ubuntu-latest
     needs: pre-commit
     permissions:
@@ -55,7 +55,7 @@ jobs:
       LOCAL_REGISTRY: localhost:5000
       # Indicates what's the equivalent to tecnativa/postgres-autoconf:latest image
       LATEST_RELEASE: "18-alpine"
-      DOCKER_REPO: "" # Set in the next step
+      DOCKER_REPO: ${{ github.repository == 'Tecnativa/docker-postgres-autoconf' && 'tecnativa/postgres-autoconf' || github.repository }}
       BASE_TAG: ${{ matrix.pg_version }}-alpine
       DOCKER_TAG: ${{ github.event_name == 'pull_request' && format('{0}-test-pr{1}', matrix.pg_version, github.event.number) || format('{0}-alpine', matrix.pg_version) }}
       GIT_SHA1: ${{ github.sha }}
@@ -64,14 +64,10 @@ jobs:
       DOCKERHUB_LOGIN: ${{ secrets.DOCKERHUB_LOGIN }}
     steps:
       # Image repo names have to be lowercase.
-      - name: Set image repository name
+      - name: Lowercase image repository name
         run: |
-          if [ "$GITHUB_REPOSITORY" = "Tecnativa/docker-postgres-autoconf" ]; then
-            DOCKER_REPO=tecnativa/postgres-autoconf
-          else
-            DOCKER_REPO=${GITHUB_REPOSITORY,,}
-          fi
-          echo "DOCKER_REPO=$DOCKER_REPO" >> "$GITHUB_ENV"
+            DOCKER_REPO=${DOCKER_REPO,,}
+            echo "DOCKER_REPO=$DOCKER_REPO" >> "$GITHUB_ENV"
       - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
       - run: pip install -r tests/ci-requirements.txt